<template>
 <section class="loginContainer">
      <div class="loginInner">
        <div class="login_header">
          <h2 class="login_logo">硅谷外卖</h2>
          <div class="login_header_title">
            <a href="javascript:;" :class="{on:flag}" @click="flag=true">短信登录</a>
            <a href="javascript:;" :class="{on:!flag}" @click="flag=false">密码登录</a>
          </div>
        </div>
        <div class="login_content">
          <form @submit='submit'>
            <div :class="{on:flag}">
              <section class="login_message">
                <input type="tel" maxlength="11" placeholder="手机号" v-model="phone">
                <button :disabled="!checkPhone" class="get_verification" :class="{active:checkPhone}" @click.prevent="getCode" >{{computeTime?`已发送(${computeTime}s)`:'获取验证码'}}</button>
              </section>
              <section class="login_verification">
                <input type="tel" maxlength="8" placeholder="验证码" v-model="code">
              </section>
              <section class="login_hint">
                温馨提示：未注册硅谷外卖帐号的手机号，登录时将自动注册，且代表已同意
                <a href="javascript:;">《用户服务协议》</a>
              </section>
            </div>
            <div :class="{on:!flag}">
              <section>
                <section class="login_message">
                  <input type="tel" maxlength="11" placeholder="手机/邮箱/用户名" v-model="name">
                </section>
                <section class="login_verification">
                  <input type="password" maxlength="8" placeholder="密码" v-model="pwd">
                  <div class="switch_button off">
                    <div class="switch_circle"></div>
                    <span class="switch_text">...</span>
                  </div>
                </section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="验证码" v-model="captcha">
                  <img class="get_verification" src="http://localhost:4000/captcha" alt="captcha" @click="toggleCaptcha">
                </section>
              </section>
            </div>
            <button class="login_submit">登录</button>
          </form>
          <a href="javascript:;" class="about_us">关于我们</a>
        </div>
        <a href="javascript:" class="go_back" @click="$router.back()">
          <i class="iconfont icon-jiantou2"></i>
        </a>
      </div>
      <Message v-show="Message" @closeTip="ok" :alertText='alertText'></Message>
    </section>
</template>

<script>

import Message from '../../components/AlertTip/AlertTip'
import {reqpwdlogin,reqMessage,phoneLogin} from '../../api/index'
export default {
name: 'Login',
components: {Message},
data () {
  return {
    flag:true,
    phone:'',
    code:'',
    computeTime:0, //计时时间
    pwd:'' ,//密码
    name:'',//用户名
    captcha:'',//图形验证码
    Message:false,  //model框
    alertText:'',   //提示框文字
    intervalID:undefined //验证码定时器ID
  }
},
methods: {
  //切换图形验证码
  toggleCaptcha(e){
    console.log(Date.now());
    e.target.src=`http://localhost:4000/captcha?time=${Date.now()}`
  },
  //校验通用方法
  check(title){
     this.Message=true
     this.alertText=title
  },
  //提交表单
  async submit(){
    const {phone,code,pwd,name,flag,captcha}=this
    let result=''
    if(flag){
      //当前为短信登陆
      if(phone==''){
       this.check('请输入手机号')
       return
      }else if(code==''){
       this.check('请输入验证码')
       return
      }
      result = await phoneLogin({phone,code})
      if(result.code==0){
        console.log("chengg");
        this.$router.replace('/profile')
      }else{
        this.check(result.msg)
      }
    }
    if(!flag){
      //当前为密码登陆
      if(name==''){
       this.check('用户名不合法')
       return
      }else if(pwd==''){
       this.check('密码不合法')
       return
      }else if(captcha==''){
       this.check('请输入验证码')
       return
      }
       result = await reqpwdlogin({name,pwd,captcha})
      if(result.code==0){
        console.log("chengg");
        this.$store.dispatch('getUserInfo',result.data)
        this.$router.replace('/profile')
      }else{
        this.check(result.msg)
      }
    }
  },
  // 提示框
  ok(){
    this.Message=false
    this.alertText=''
  },
  // 获取短信验证码
  async getCode(){
    if(this.computeTime==0){
          this.computeTime=60
          this.intervalID = setInterval(()=>{
          this.computeTime--
           if(this.computeTime==0){
            clearInterval(this.intervalID)
           }
        },1000)
        const result = await reqMessage(this.phone)
        //发送失败
        if(result.code==1){
          this.check(result.msg)
          clearInterval(this.intervalID)
          this.computeTime=0
        }
      }
    },
    
},
computed: {
  checkPhone(){
    return /^1\d{10}$/.test(this.phone)
  }
},
watch: {
}
}
</script>

<style lang='stylus' rel='stylesheet/stylus'>
  @import "../../common/stylus/mixins.styl"
  .loginContainer
    width 100%
    height 100%
    background #fff
    .loginInner
      padding-top 60px
      width 80%
      margin 0 auto
      .login_header
        .login_logo
          font-size 40px
          font-weight bold
          color #02a774
          text-align center
        .login_header_title
          padding-top 40px
          text-align center
          >a
            color #333
            font-size 14px
            padding-bottom 4px
            &:first-child
              margin-right 40px
            &.on
              color #02a774
              font-weight 700
              border-bottom 2px solid #02a774
      .login_content
        >form
          >div
            display none
            &.on
              display block
            input
              width 100%
              height 100%
              padding-left 10px
              box-sizing border-box
              border 1px solid #ddd
              border-radius 4px
              outline 0
              font 400 14px Arial
              &:focus
                border 1px solid #02a774
            .login_message
              position relative
              margin-top 16px
              height 48px
              font-size 14px
              background #fff
              .get_verification
                position absolute
                top 50%
                right 10px
                transform translateY(-50%)
                border 0
                color #ccc
                font-size 14px
                background transparent
                &.active
                  color black
            .login_verification
              position relative
              margin-top 16px
              height 48px
              font-size 14px
              background #fff
              .switch_button
                font-size 12px
                border 1px solid #ddd
                border-radius 8px
                transition background-color .3s,border-color .3s
                padding 0 6px
                width 30px
                height 16px
                line-height 16px
                color #fff
                position absolute
                top 50%
                right 10px
                transform translateY(-50%)
                &.off
                  background #fff
                  .switch_text
                    float right
                    color #ddd
                &.on
                  background #02a774
                >.switch_circle
                  position absolute
                  top -1px
                  left -1px
                  width 16px
                  height 16px
                  border 1px solid #ddd
                  border-radius 50%
                  background #fff
                  box-shadow 0 2px 4px 0 rgba(0,0,0,.1)
                  transition transform .3s
                  &.right
                    transform translateX(30px)
            .login_hint
              margin-top 12px
              color #999
              font-size 14px
              line-height 20px
              >a
                color #02a774
          .login_submit
            display block
            width 100%
            height 42px 
            margin-top 30px
            border-radius 4px
            background #4cd96f
            color #fff
            text-align center
            font-size 16px
            line-height 42px
            border 0
        .about_us
          display block
          font-size 12px
          margin-top 20px
          text-align center
          color #999
      .go_back
        position absolute
        top 5px
        left 5px
        width 30px
        height 30px
        >.iconfont
          font-size 20px
          color #999
</style>